[ZigBee Soil Monitoring Sensor] Remotely monitor soil temperature and humidity. No need to be on site frequentlydetect current soil conditions and moisture content in real time with fast response speed and accurate measurement. [Voice Control] Supports voice control via / Home for real-time monitoring of soil moisture levels. [Multi-Mode Calibration, Adjustable Sampling Time] Supports multiple calibration methods for temperature, air humidity, and soil humidity, delivering more accurate data. Sampling time range: 0 to 1004 seconds (1 minute 44 seconds). Quickly detects ambient humidity after insertion. [Intelligent Water Shortage Alarm, Real-Time Data Monitoring] Continuously tracks temperature, humidity, and soil moisture changes to help you monitor the planting environment in real time. After setting parameters, the device intelligently detects low moisture levels and triggers an alarm when watering is needed. [Intelligent Linkage] Can be paired with a smart water valve for automatic irrigation. (Smart water valve sold separately) Product Name: Zigbee Soil Moisture Sensor Operating Voltage: DC 3.0V Standby Current: 20A Temperature Resolution: 0.1 Humidity Resolution: 1% Temperature Measurement Accuracy: 0.5C Humidity Measurement Accuracy: 5% Operating Humidity: Up to 99% RH Wireless Protocol: Zigbee 3.0 Operating Temperature: 10C to 55C Battery Type: 2 x AAA (not included) Zigbee Gateway: Required Compatible App: Tuya/Smart Life Voice Control Compatibility: / Home Warm Tips: 1. This product must be connected to a Zigbee 3.0 gateway to function. 2. This product is of stable quality but requires regular inspection and maintenance. Regularly check app data records and monitor battery status. Avoid outdoor installation. The device has limited waterproof and dustproof capabilities but is not designed for prolonged exposure to rain. Color: As shown Material: ABS Package Contents: 3 x Soil Tester Note: Lighting and display differences may cause slight color variations between the image and actual item. Measurement error allowance: 13 cm.